Mineral nutrition of legumes in tropical and subtropical soils; proceedings of a workshop held at CSIRO Cunningham Lab., Brisbane, Jan 16-21, 1978

abonos acid soils besoin nutritionnel engrais feed crops fertilidad del suelo fertilisation fertilizer application fertilizers fixation de l'azote legumes leguminosas minerales minerals necesidades de nutrientes nitrogen fixation nutrientes nutrients nutrition des plantes nutritional requirements plant nutrition plant soil relations plantas forrajeras relaciones planta suelo relation plante sol rhizobium soil fertility sol acide sol tropical substance nutritive suelo tropical toxicidad toxicity tropical soils